Making new friends helped her 'come out of her shell'. = Making new friends 'brought her out of her shell'.
He lost confidence in himself and 'retreated/withdrew into his shell'.
The police found several spent 'shells' at the scene of the shooting.
(..) #Into blank pages # #Just understand I was afraid to be a simple guy # #I tried my best to smile # #But deep inside my heart # #I felt like the shell that a crab comes in # #I guess I couldn't live without things # #God save the queen # #A fascist regime # #It made you a moron # (..)2003 Lost in Translation